Coastal Waters Forecast
Issued by NWS Lake Charles, LA
Issued by NWS Lake Charles, LA
657 FZUS54 KLCH 090607 CWFLCH Coastal Waters Forecast National Weather Service Lake Charles LA 1207 AM CST Tue Dec 9 2025 Coastal waters from the Lower Atchafalaya River LA to High Island TX out 60 nautical miles including Sabine and Calcasieu Lakes and Vermilion and Cote Blanche Bays Seas are provided as a range of the average height of the highest one third of the waves, along with the occasional height of the average highest ten percent of the waves. GMZ400-091900- 1207 AM CST Tue Dec 9 2025 .Synopsis for Lower Atchafalaya River LA to High Island TX out 60 NM including Sabine and Calcasieu Lakes and Vermilion and Cote Blanche Bays... High pressure centered over lower Mississippi River valley will move off to the east today allowing for a light easterly flow over the coastal waters, then becoming light southerly on Wednesday. A weak dry cold front will move into the coastal waters late Wednesday to bring a brief period of light to modest offshore winds before winds again become onshore by the end of the week. No significant shower activity is expected through the end of the week. $$ GMZ430-091900- Sabine Lake- 1207 AM CST Tue Dec 9 2025 .TODAY...East winds around 5 knots, becoming southeast this afternoon. Lake waters smooth. .TONIGHT...South winds 5 to 10 knots. Lake waters light chop. .WEDNESDAY...West winds 5 to 10 knots. Lake waters light chop. .WEDNESDAY NIGHT...North winds 5 to 10 knots. Lake waters light chop. .THURSDAY...East winds 5 to 10 knots, becoming southeast in the afternoon. Lake waters light chop. .THURSDAY NIGHT...South winds around 5 knots. Lake waters smooth. .FRIDAY...South winds 5 to 10 knots. Lake waters light chop. .FRIDAY NIGHT...Southeast winds 5 to 10 knots. Lake waters light chop. .SATURDAY...Southeast winds 5 to 10 knots. Lake waters light chop. .SATURDAY NIGHT...Southeast winds 5 to 10 knots, becoming east after midnight. Lake waters light chop. $$ GMZ432-091900- Calcasieu Lake- 1207 AM CST Tue Dec 9 2025 .TODAY...East winds around 5 knots, becoming south around 5 knots this afternoon. Lake waters smooth. .TONIGHT...South winds 5 to 10 knots. Lake waters light chop. .WEDNESDAY...West winds 5 to 10 knots. Lake waters light chop. .WEDNESDAY NIGHT...Northwest winds 5 to 10 knots, becoming northeast after midnight. Lake waters light chop. .THURSDAY...Northeast winds 5 to 10 knots, becoming southeast in the afternoon. Lake waters light chop. .THURSDAY NIGHT...South winds 5 to 10 knots. Lake waters light chop. .FRIDAY...South winds 5 to 10 knots. Lake waters light chop. .FRIDAY NIGHT...Southeast winds 5 to 10 knots. Lake waters light chop. .SATURDAY...Southeast winds 5 to 10 knots. Lake waters light chop. .SATURDAY NIGHT...East winds around 10 knots. Lake waters light chop. $$ GMZ435-091900- Vermilion and West Cote Blanche Bays- 1207 AM CST Tue Dec 9 2025 .TODAY...East winds 5 to 10 knots, becoming southeast late. Bay waters light chop. .TONIGHT...South winds around 5 knots, increasing to 5 to 10 knots after midnight. Bay waters light chop. .WEDNESDAY...West winds 5 to 10 knots. Bay waters light chop. .WEDNESDAY NIGHT...Northwest winds around 5 knots, becoming north after midnight. Bay waters light chop. .THURSDAY...Northeast winds 5 to 10 knots, becoming southeast in the afternoon. Bay waters light chop. .THURSDAY NIGHT...Southeast winds around 5 knots. Bay waters smooth. .FRIDAY...South winds 5 to 10 knots. Bay waters light chop. .FRIDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters light chop. .SATURDAY...Southeast winds 5 to 10 knots. Bay waters light chop. .SATURDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters light chop. $$ GMZ436-091900- Atchafalaya and East Cote Blanche Bays- 1207 AM CST Tue Dec 9 2025 .TODAY...East winds 5 to 10 knots, becoming southeast late. Bay waters light chop. .TONIGHT...South winds around 5 knots. Bay waters smooth. .WEDNESDAY...West winds 5 to 10 knots. Bay waters light chop. .WEDNESDAY NIGHT...Northwest winds around 5 knots, becoming north after midnight. Bay waters smooth. .THURSDAY...Northeast winds around 5 knots, becoming southeast in the afternoon. Bay waters smooth. .THURSDAY NIGHT...Southeast winds around 5 knots. Bay waters smooth. .FRIDAY...Southeast winds around 5 knots. Bay waters smooth. .FRIDAY NIGHT...Southeast winds around 5 knots. Bay waters smooth. .SATURDAY...Southeast winds 5 to 10 knots. Bay waters light chop. .SATURDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters light chop. $$ GMZ450-091900- Coastal waters from Cameron LA to High Island TX out 20 NM- 1207 AM CST Tue Dec 9 2025 .TODAY...East winds 5 to 10 knots, becoming southeast late. Seas around 2 feet this morning, then 1 foot or less. Wave Detail: East 2 feet at 4 seconds, becoming east 1 foot at 4 seconds. .TONIGHT...South winds 5 to 10 knots, becoming southwest 10 to 15 knots after midnight. Seas 1 foot or less, then around 2 feet after midnight. Wave Detail: South 1 foot at 3 seconds, becoming south 2 feet at 3 seconds. .WEDNESDAY...West winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southwest 2 feet at 4 seconds. .WEDNESDAY NIGHT...Northwest winds 5 to 10 knots, becoming northeast after midnight. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 4 seconds. .THURSDAY...Northeast winds 5 to 10 knots, becoming southeast in the afternoon. Seas 1 foot or less. Wave Detail: East 1 foot at 3 seconds. .THURSDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 3 seconds. .FRIDAY...South winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet in the afternoon. .FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. .SATURDAY...Southeast winds around 10 knots. Seas around 2 feet. .SATURDAY NIGHT...Southeast winds around 10 knots. Seas around 2 feet. A slight chance of showers after midnight. $$ GMZ452-091900- Coastal waters from Intracoastal City to Cameron LA out 20 NM- 1207 AM CST Tue Dec 9 2025 .TODAY...East winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: East 1 foot at 3 seconds. .TONIGHT...Southeast winds 5 to 10 knots, becoming southwest after midnight. Seas 1 foot or less, then around 2 feet after midnight. Wave Detail: South 1 foot at 2 seconds, becoming south 2 feet at 3 seconds. .WEDNESDAY...West winds around 10 knots. Seas around 2 feet. Wave Detail: Southwest 2 feet at 4 seconds. .WEDNESDAY NIGHT...Northwest winds 5 to 10 knots, becoming northeast after midnight. Seas around 2 feet. Wave Detail: Southwest 1 foot at 4 seconds. .THURSDAY...Northeast winds around 10 knots, becoming southeast in the afternoon. Seas around 2 feet in the morning, then 1 foot or less. Wave Detail: East 1 foot at 3 seconds, becoming southeast 1 foot at 3 seconds. .THURSDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 4 seconds. .FRIDAY...South winds 5 to 10 knots. Seas 1 foot or less. .FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. .SATURDAY...Southeast winds around 10 knots. Seas around 2 feet. .SATURDAY NIGHT...East winds around 10 knots. Seas around 2 feet. A slight chance of showers after midnight. $$ GMZ455-091900- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 1207 AM CST Tue Dec 9 2025 .TODAY...East winds 5 to 10 knots, diminishing to around 5 knots late. Seas 1 foot or less. Wave Detail: East 1 foot at 2 seconds. .TONIGHT...Southeast winds around 5 knots, becoming south after midnight. Seas 1 foot or less. Wave Detail: South 1 foot at 2 seconds. .WEDNESDAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 3 seconds. .WEDNESDAY NIGHT...Northwest winds around 5 knots, becoming north after midnight. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 3 seconds. .THURSDAY...Northeast winds 5 to 10 knots, becoming southeast in the afternoon. Seas 1 foot or less. Wave Detail: Northeast 1 foot at 3 seconds. .THURSDAY NIGHT...Southeast winds around 5 knots. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 3 seconds. .FRIDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less. .FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or less. .SATURDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. .SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. A slight chance of showers after midnight. $$ GMZ470-091900- Coastal waters from Cameron LA to High Island TX from 20 to 60 NM- 1207 AM CST Tue Dec 9 2025 .TODAY...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Northeast 2 feet at 4 seconds. .TONIGHT...South winds 5 to 10 knots, becoming southwest after midnight. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. .WEDNESDAY...West winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southwest 2 feet at 4 seconds and east 1 foot at 5 seconds. .WEDNESDAY NIGHT...Northwest winds 5 to 10 knots, becoming northeast after midnight. Seas around 2 feet. Wave Detail: South 1 foot at 5 seconds. .THURSDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 1 foot at 5 seconds. .THURSDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 1 foot at 5 seconds. .FRIDAY...South winds around 10 knots. Seas around 2 feet. .FRIDAY NIGHT...Southeast winds around 10 knots. Seas around 2 feet. A slight chance of showers and thunderstorms after midnight. .SATURDAY...Southeast winds around 10 knots. Seas 2 to 3 feet. A slight chance of showers. A slight chance of thunderstorms in the afternoon. .SATURDAY NIGHT...Southeast winds around 10 knots. Seas 2 to 3 feet. A slight chance of showers after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ472-091900- Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM- 1207 AM CST Tue Dec 9 2025 .TODAY...Northeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Northeast 2 feet at 4 seconds. .TONIGHT...Southeast winds 5 to 10 knots, becoming southwest after midnight. Seas 1 foot or less, then around 2 feet after midnight. Wave Detail: East 1 foot at 5 seconds, becoming southeast 2 feet at 4 seconds. .WEDNESDAY...West winds around 10 knots. Seas around 2 feet. Wave Detail: Southwest 2 feet at 4 seconds and east 1 foot at 6 seconds. .WEDNESDAY NIGHT...Northwest winds 5 to 10 knots, becoming north after midnight. Seas around 2 feet. Wave Detail: Southwest 1 foot at 4 seconds and southeast 1 foot at 6 seconds. .THURSDAY...Northeast winds around 10 knots, becoming southeast in the afternoon. Seas around 2 feet. Wave Detail: Southwest 1 foot at 4 seconds and east 1 foot at 6 seconds. .THURSDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 1 foot at 5 seconds. .FRIDAY...South winds 5 to 10 knots. Seas around 2 feet. .FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. A slight chance of showers and thunderstorms. .SATURDAY...Southeast winds around 10 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms. .SATURDAY NIGHT...Southeast winds around 10 knots. Seas 2 to 3 feet. A slight chance of showers. Winds and seas higher in and near thunderstorms. $$ GMZ475-091900- Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 1207 AM CST Tue Dec 9 2025 .TODAY...Northeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 5 seconds. .TONIGHT...Southeast winds around 5 knots, becoming south after midnight. Seas around 2 feet. Wave Detail: South 1 foot at 2 seconds and east 1 foot at 5 seconds. .WEDNESDAY...West winds around 10 knots. Seas around 2 feet. Wave Detail: Southwest 1 foot at 3 seconds and east 1 foot at 5 seconds. .WEDNESDAY NIGHT...Northwest winds 5 to 10 knots, becoming north after midnight. Seas around 2 feet. Wave Detail: West 1 foot at 4 seconds and southeast 1 foot at 6 seconds. .THURSDAY...Northeast winds around 10 knots, becoming east in the afternoon. Seas around 2 feet. Wave Detail: West 1 foot at 4 seconds and east 1 foot at 6 seconds. .THURSDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 5 seconds. .FRIDAY...South winds 5 to 10 knots. Seas around 2 feet. .FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. A slight chance of showers and thunderstorms. .SATURDAY...Southeast winds around 10 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms. .SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of thunderstorms in the evening. A slight chance of showers. Winds and seas higher in and near thunderstorms. $$